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resolution/size for printing 8x10, 11x14.

Matthew Powers , Jan 31, 2007; 04:46 p.m.

i have a color digital photo that i plan on saving to disk and taking to professional lab for printing. the image is 300ppi. My question is, what image size is needed (width/height) in order to print high-quality at 8x10 or 11x14? the photo is being sold and must be of highest quality. It was taken with "JPEG large" quality with a nikon D200, which is about 3000x2000, or something like that. will this do???

Responses

Michael Axel , Jan 31, 2007; 05:36 p.m.

It will do, but I'd rather work from a RAW image myself. If the printer is 300 DPI, then you should be able to adjust the size by downsampling it in PS or some other program to 8x10", etc. It should print fine, but the color from a JPEG is kind of dicey. While the lab will likely take the file, I think you're better to control the dimensions yourself rather than letting the computer program they have do it.

Ellis Vener , Jan 31, 2007; 05:37 p.m.

It needs to be at 8" x10" or 11"x14' at whatever resolution ppi or dpi that your professional lab of choice requires. Also ask about which color space or profile to use.

Patrick Lavoie , Jan 31, 2007; 06:12 p.m.

the photo is being sold and must be of highest quality...

why did you shoot it in JPEG?

Matthew Powers , Jan 31, 2007; 06:26 p.m.

shot it on my own with no intention of selling, someone likes it and wants to buy it. so now im looking for info on getting best results from what i have.

Patrick Lavoie , Jan 31, 2007; 06:42 p.m.

Add a nice Smart Sharpen to the file, some level, curve, a bit of darkroom...as for the resolution you are good. To make sure look at image size what it give you at 300ppi.

James Gordley , Jan 31, 2007; 08:29 p.m.

You may have already noticed that when you try to re-size this image from the out of camera size to an 8x10 or 11x14 the dimensions just don't work out and you will have to crop some of the image to make it fit the different aspect ratio. So the first thing you need to do is crop the image to an aspect ratio that matches that of an 8x10. Your camera uses an aspect ration suited for a 4x6 print, which is a 4:3 aspect ratio, an 8x10 or 11x14 has a 3:2 ratio. So first and foremost you will have to crop part of your image to change the aspect ratio.

Once you have that done using the full size jpeg (should always use RAW by the way) you will have to re-size the image. When you do make sure that you do not have re-sampling enabled as that will take away detail (resolution) from your image. You may find that this gives you an image with a resolution of well over 300ppi.

Good luck with your project

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